108793809 has 12 divisors (see below), whose sum is σ = 157336452. Its totient is φ = 72441600.

The previous prime is 108793807. The next prime is 108793813. The reversal of 108793809 is 908397801.

It can be written as a sum of positive squares in 2 ways, for example, as 20903184 + 87890625 = 4572^2 + 9375^2 .

It is not a de Polignac number, because 108793809 - 2¹ = 108793807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108793807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069 + ... + 14789.

It is an arithmetic number, because the mean of its divisors is an integer number (13111371).

Almost surely, 2^108793809 is an apocalyptic number.

It is an amenable number.

108793809 is a deficient number, since it is larger than the sum of its proper divisors (48542643).

108793809 is a wasteful number, since it uses less digits than its factorization.

108793809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14608 (or 14605 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 108793809 is about 10430.4270765870. The cubic root of 108793809 is about 477.3842216305.

The spelling of 108793809 in words is "one hundred eight million, seven hundred ninety-three thousand, eight hundred nine".